Added two examples for the step-up study

Author: Mik

hardware/AMEL/samd/libraries/SME_basic/examples/IsOnBattery/IsOnBattery.ino

@@ -0,0 +1,33 @@
+/*
+ Shows if the SME is running on Battery
+
+ created 16 Jun 2015
+ by Mik ([email protected])
+ */
+
+#include <Arduino.h>
+
+void setup() {
+    // LED are already initialized by the SME core.
+    // it is not required to do here
+
+    SerialUSB.begin(115200);
+}
+
+void loop() {
+
+    SerialUSB.print("SmartEverything is running on ");
+
+    if (isOnBattery()) {
+        ledGreenLight(40);
+        ledRedLight(LOW);
+        SerialUSB.println("Battery");
+    } else {
+        ledGreenLight(LOW);
+        ledRedLight(40);
+        SerialUSB.println("external power");
+    }
+
+    delay(2000);
+
+}

hardware/AMEL/samd/libraries/SME_basic/examples/StepUp/StepUp.ino

@@ -0,0 +1,26 @@
+/*
+ Shows if the SME is running on Battery
+
+ created 16 Jun 2015
+ by Mik ([email protected])
+ */
+
+#include <Arduino.h>
+
+void setup() {
+    // LED is already initialized by the SME core.
+    // it is not required to do here
+}
+
+void loop() {
+
+    setStepUp(LOW);
+    ledBlueLight(LOW);
+
+    delay(500);
+
+    setStepUp(HIGH);
+    ledBlueLight(40);
+    delay(200);
+
+}